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Banjul in September: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Banjul in September will be like? Take a look at our weather guide for Banjul, based on historical data.
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September

Weather in Banjul in September 2025

OK Weather
Warm
🌧️
Rainy
If you plan to visit Banjul in September, the weather is typically alright, with an average high temperature of +86°F during the day and approximately 0 sunny days. Expect some rainy, though, as there are typically 12 rainy days in the month and around 200 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • September is usually the wettest month of the year in Banjul;

Average weather

☀️
+86°F
Avg. max. temperature
+72°F
Min.
+95°F
Max.
200 mm
Total precipitation
85%
Avg. humidity
2 m/s
Avg. wind
0 ☀️
Sunny Days
4 ⛅️
Cloudy
12 🌦
Rainy
Our opinion: Banjul has OK weather in September.

Average temperature in Banjul in September

Here are the expected maximum, average and minimum temperatures in Banjul for September based on the historical data.
Last Year
Historical Data

Going from a maximum of +90°F during the day to a minimum of +75°F during the night, the temperature in September averages around +88°F.

The average maximum temperature goes up 13% by the end of the month, compared with the beginning of the month, from +88°F to +90°F.

Is Banjul warm or cold in September?

Banjul is typically warm in September.

Maximum temperatures go up compared to the previous month from +84°F to +86°F. The minimum temperature also goes up from +79°F to +79°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

September is one of the warmest months in Banjul, here is the comparison with other months:

Climate in Banjul in September

Banjul weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+84°F+86°F+88°F
Min. temperature
+70°F+72°F+70°F
Max. temperature
+95°F+95°F+97°F
Rainfall
283 mm200 mm56 mm
Wind
2 m/s2 m/s1 m/s
Humidity
85%85%81%
Air pressure
1011 HPa1011 HPa1010 HPa
Sunny days
008
Cloudy days
349
Rainy days
13127
Snowy days
000

September weather is still as ok as in August. It’s getting warmer as September arrives. The average maximum temperature goes up from +84°F to +86°F during the day. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 283 mm to 200 mm. Humidity levels don’t change as the month goes on, averaging around 85%. The average wind speed doesn’t change much during September, staying around 2 m/s. The amount of sunny days stay about the same, averaging 0 sunny days during the month.

October brings much the same weather, it remains ok.

Wind

Wind speed in Banjul in September based on historical data.
Last Year
Historical Data

The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Banjul is gradually increasing during September, going from 3 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Banjul based on historical data.
Last Year
Historical Data
Typically, there is a 60% chance of rain on an average day in September, with total rainfall of approximately 260 mm. The maximum amount of rainfall per day is around 83 mm, which is considered heavy rain. September is a pretty wet month with over 18 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
September is one of the rainiest months in Banjul, here is a comparison with other months, total mm:
Banjul wettest month is August, where a typical day has a 42% chance of precipitation and 283 mm of rainfall per day. March, on the other hand, is the driest month with a mere 0% chance of precipitation and 0 mm of rainfall per day.

How was the weather last September in Banjul?

This is the weather in Banjul in September 2023:
1 September
🌧️
+88°F
2 September
☁️
+88°F
3 September
☁️
+88°F
4 September
☁️
+87°F
5 September
🌧️
+85°F
6 September
☁️
+86°F
7 September
☁️
+86°F
8 September
🌧️
+86°F
9 September
☁️
+87°F
10 September
🌧️
+87°F
11 September
☁️
+87°F
12 September
☁️
+84°F
13 September
☁️
+87°F
14 September
☁️
+86°F
15 September
☁️
+87°F
16 September
☁️
+86°F
17 September
🌧️
+88°F
18 September
☁️
+87°F
19 September
☁️
+87°F
20 September
🌧️
+85°F
21 September
☁️
+89°F
22 September
☁️
+90°F
23 September
☁️
+87°F
24 September
☁️
+89°F
25 September
☁️
+85°F
26 September
☁️
+89°F
27 September
☁️
+89°F
28 September
☁️
+87°F
29 September
☁️
+88°F
30 September
☁️
+89°F
In September 2023 Banjul had 0 sunny days, 24 cloudy days, and 6 rainy days. The average maximum temperature was +88°F, with an absolute maximum of +90°F and a minimum of +84°F. The average humidity was 86%, with a maximum of 100% and a minimum of 72%. The average wind speed was 2 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

This is how Banjul climate has changed over the last 43 years.

The climate in Banjul in September has not changed that much over the last 43 years.

The average temperature was the lowest in 1985 (+83°F) and the highest in 2012 (+88°F). The driest year was 1984 with only 421 mm of rainfall, and the wettest year was 2022 with 1157 mm.

FAQ

Frequently asked questions about the weather in Banjul in September:

Is September a good time to visit Banjul?

It’s always a good time to visit Banjul, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Banjul in September?

September is warm in Banjul. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Banjul rainy in September?

Banjul is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Banjul in September?

Usually, it’s not very sunny in Banjul in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Monthly weather in Banjul

Source of the data

For this page, we’ve looked at the typical weather in Banjul, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.